Datasheet > SP5730KG

SP5730KG

更新时间： 2024-11-25 22:42:51

品牌	Logo	应用领域
MITEL		/
页数	文件大小	规格书
14页	375K
描述
1.3GHz Low Phase Noise Frequency Synthesiser

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SP5730KG 数据手册

SP5730

1.3GHz Low Phase Noise Frequency Synthesiser

Preliminary Information

DS4877

issue 1.9

July 1999

Features

● Complete 1.3GHz single chip system for

Digital Terrestrial Television applications

● Selectable reference division ratio, compatible

with (DTT) requirements

● Optimised for low phase noise, with

comparison frequencies up to 4MHz

● No RF prescaler

Ordering Information

SP5730A/KG/MP1S Sticks

SP5730A/KG/MP1T Tape and Reel

SP5730A/KG/QP1S Sticks

SP5730A/KG/QP1T Tape amd Reel

● Selectable reference/comparison frequency

output

● Four selectable I²C bus address

● I²C fast mode compliant and compatible with

3.3 and 5V logic levels

Description

The SP5730 is a single chip frequency synthesiser

designed for tuning systems up to 1.3GHz and is

optimised for digital terrestrial applications.

● Four switching ports

● ESD protection, (Normal ESD Handling

procedures should be observed)

The RF preamplifier interfaces direct with the RF

programmable divider, which is of MN+A construction

so giving a step size equal to the loop comparison

frequency and no prescaler phase noise degradation

over the RF operating range.

The comparison frequency is obtained either from an

on-chip crystal controlled oscillator, or from an external

source. The oscillator frequency, Fref, or phase

comparator frequency, Fcomp, can be switched to the

REF/COMP output providing a reference frequency for

a second frequency synthesiser.

Applications

● Digital Satellite ,Cable and Terrestrial tuning

systems

● Communications systems

The synthesiser is controlled via an I²C bus and is fast

mode compliant. It can be hard wired to respond to one

of four addresses to enable two or more synthesisers to

be used on a common bus.

The device contains four switching ports P0-P3.

12 3 4 5 6 7...14

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